ref: fced63ed300c721c115c00af0bd91907702242eb
parent: 12344f26975c7ecd9ce2e1c75aa98dd068711ed7
author: Deb Mukherjee <debargha@google.com>
date: Mon Oct 6 10:30:01 EDT 2014
Resolves some static analysis / undefined warnings Also fixes a case of distortion becoming negative and messing up the RDCOST computation. Change-Id: Id345af9e8dfff31ade622be5756e51f2cdface53